Cleaning tool



FIG. 1 is a perspective view of a design for a cleaning tool;

FIG. 2 is a right side view thereof, the left side view being a mirror image thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a front view thereof, the rear view being a mirror image thereof.

The broken lines in the drawings are shown for illustrative purposes only and form no part of the claimed design. In addition, the surface shading illustrated in the drawings is provided merely to highlight the contour of design; it is not intended to be illustrative of texture or gloss. 

The ornamental design for a cleaning tool, as shown and described. 